Home / 218,725,620,701.59-301,834,803,796.64-121,071,264,454.50

Finding the Fourth Proportional to 218,725,620,701.59, 301,834,803,796.64 and 121,071,264,454.50

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Solution

The fourth proportional to 218,725,620,701.59, 301,834,803,796.64 and 121,071,264,454.50 is: 167,074,717,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,725,620,701.59 : 301,834,803,796.64 = 121,071,264,454.50 : x
  2. Step 2: Convert to fraction form
    218,725,620,701.59/301,834,803,796.64 = 121,071,264,454.50/x
  3. Step 3: Cross multiply
    218,725,620,701.59x = 301,834,803,796.64 × 121,071,264,454.50
  4. Step 4: Simplify right side
    218,725,620,701.59x = 36,543,521,352,035,122,282,496
  5. Step 5: Solve for x
    x = 36,543,521,352,035,122,282,496/218,725,620,701.59
  6. Step 6: Final answer
    x = 167,074,717,789.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.